import React, { useCallback, useState, useMemo } from 'react';
import { LogoutOutlined, LockOutlined } from '@ant-design/icons';
import { Menu, Spin, Form, Modal, message, Avatar } from 'antd';
import { history, useModel } from '@umijs/max';
import { stringify } from 'querystring';
import HeaderDropdown from '../HeaderDropdown';
import styles from './index.less';
import { fakeAccountLoginOut, changePwd } from '@/services/login';
import InitForm from '@/components/InitForm';
import { doFetch } from '@/utils/doFetch';
import { useRequest } from 'ahooks';
import AES from 'crypto-js/aes';
import ECB from 'crypto-js/mode-ecb';
import Pkcs7 from 'crypto-js/pad-pkcs7';
import Utf8 from 'crypto-js/enc-utf8';
import moment from 'moment';
/**
 * 退出登录，并且将当前的 url 保存
 */
const loginOut = async () => {
  await fakeAccountLoginOut();
  const { query = {} } = history.location;
  const { redirect } = query; // Note: There may be security issues, please note

  if (window.location.pathname !== '/user/login' && !redirect) {
    localStorage.clear();
    history.replace('/user/login');
  }
};

const AvatarDropdown = ({ menu }) => {
  const { initialState, setInitialState } = useModel('@@initialState');
  const [visible, cv] = useState(false),
    [formRef] = Form.useForm(),
    { run, loading } = useRequest(doFetch, {
      manual: true,
      formatResult: (res) => res,
      onSuccess: (result, params) => {
        if (result.code == '0000') {
          cv(false);
          message.success('密码修改成功,请重新登录', 2, () => {
            setInitialState((s) => ({
              ...s,
              currentUser: undefined,
              newMenu: undefined,
            }));
            loginOut();
          });
        }
      },
    });
  const fields = useMemo(() => {
    return {
      password: {
        value: null,
        type: 'password',
        title: '密码',
        name: ['password'],
        required: true,
      },
      newPassword: {
        value: null,
        type: 'password',
        title: '新密码',
        name: ['newPassword'],
        required: true,
      },
      confirmPassword: {
        value: null,
        type: 'password',
        title: '确认密码',
        name: ['confirmPassword'],
        required: true,
        checkConfirm: (rule, value) => {
          if (value && value !== formRef.getFieldValue('newPassword')) {
            return Promise.reject('2次密码不一致！');
          } else {
            return Promise.resolve();
          }
        },
      },
    };
  }, []);
  const onMenuClick = useCallback(
    (event) => {
      const { key } = event;
      if (key === 'logout') {
        setInitialState((s) => ({
          ...s,
          currentUser: undefined,
          newMenu: undefined,
        }));
        loginOut();
        return;
      } else if (key == 'changepwd') {
        cv(true);
        return;
      }
      history.push(`/account/${key}`);
    },
    [setInitialState],
  );
  const loadings = (
    <span className={`${styles.action} ${styles.account}`}>
      <Spin
        size="small"
        style={{
          marginLeft: 8,
          marginRight: 8,
        }}
      />
    </span>
  );

  if (!initialState) {
    return loadings;
  }

  const { currentUser } = initialState;
  if (!currentUser || !currentUser.userName) {
    return loadings;
  }

  let saveData = (values) => {
    let newfields = JSON.parse(JSON.stringify(values));
    delete newfields.confirmPassword;

    let timestamp = moment().valueOf().toString() + 'acb';
    let newtimestamp = AES.encrypt(timestamp, Utf8.parse('NANGAODEAESKEY--'), {
      mode: ECB,
      padding: Pkcs7,
    }).toString();
    let newPassword = AES.encrypt(values.newPassword, Utf8.parse(timestamp), {
        mode: ECB,
        padding: Pkcs7,
      }).toString(),
      password = AES.encrypt(values.password, Utf8.parse(timestamp), {
        mode: ECB,
        padding: Pkcs7,
      }).toString();

    let postData = {
      password,
      newPassword,
      encryptKey: newtimestamp,
    };
    run({ url: '/ngic-auth/sysUser/changePassword', params: { ...postData } });
  };

  const menuHeaderDropdown = (
    <Menu className={styles.menu} selectedKeys={[]} onClick={onMenuClick}>
      <Menu.Item key="changepwd">
        <LockOutlined />
        修改密码
      </Menu.Item>
      <Menu.Divider />
      <Menu.Item key="logout">
        <LogoutOutlined />
        退出登录
      </Menu.Item>
    </Menu>
  );
  return (
    <div>
      <Modal
        title="修改密码"
        open={visible}
        onCancel={() => {
          cv(false);
        }}
        destroyOnClose={true}
        maskClosable={false}
        footer={false}
      >
        <InitForm
          formRef={formRef}
          fields={fields}
          col={{ span: 24 }}
          onChange={(changedValues, allValues) => {}}
          submitData={(values, fn) => {
            saveData(values, fn);
          }}
          submitting={loading || !visible}
        />
      </Modal>
      <HeaderDropdown overlay={menuHeaderDropdown}>
        <span className={`${styles.action} ${styles.account}`}>
          <Avatar style={{ backgroundColor: '#1890ff' }}>
            {currentUser.userName.substr(0, 1)}
          </Avatar>

          <span className={`${styles.name} anticon`} style={{ margin: '0 12px' }}>
            {currentUser.userName}
          </span>
        </span>
      </HeaderDropdown>
    </div>
  );
};

export default AvatarDropdown;
